mkfontscale.c:110:32: warning: implicit conversion loses floating-point precision: 'double' to 'float' [-Wimplicit-float-conversion]
static float bigEncodingFuzz = 0.02;
             ~~~~~~~~~~~~~~~   ^~~~
mkfontscale.c:262:52: warning: implicit conversion loses floating-point precision: 'double' to 'float' [-Wimplicit-float-conversion]
            bigEncodingFuzz = atof(argv[argn + 1]) / 100.0;
                            ~ ~~~~~~~~~~~~~~~~~~~~~^~~~~~~

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>